isopropyl acetate has a density of .87 grams per centimeter cubed (g/cm³). Alexei wants to know if his unknown object will float or sink in isopropyl acetate. The object has a mass of 15 g and a volume of 18cm³. Explain what will happen when Alexei places the object in the isopropyl acetate? Show your work.

idk

Explanation:

what grade

answer: c. the experiment shows that the red substance experienced a chemical change.

explanation: chemical change is the change in which chemical composition of the substance changes. physical change is the change in which there is no change in chemical composition.

chemical changes are accompanied by following changes:

a) precipitate formation

b) energy is released or absorbed

c) formation of bubbles

d) change in color

as it is given that the red color has disappeared and there is production of gas, it means the red substance has undergone a chemical change.

e

- decrease the number of plants and animals living in the water.